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Full Discussion: editing headers
Top Forums Shell Programming and Scripting editing headers Post 302540820 by Lucky Ali on Thursday 21st of July 2011 04:28:59 PM
Old 07-21-2011
editing headers
Hi,
I have a folder that contains many (multiple) files

1.fasta
2.fasta
3.fasta
4.fasta
5.fasta
.
.
100's of files

Each such file have data in the following format
for example:
vi 1.fasta

Code:
  58    390
A
GTATACATTATTGATGAAGTCCACATGCTTTCTATGGGTGCCTTCAATGCGCTTTTAAAA
ACGTTAGAAGAGCCGCCAGGACATGTTATCTTTATTTTGGCGACAACAGAACCGCATAAG
ATACCGCCTACAATCATTTCGCGTTGCCAACGTTTCGAATTTCGAAAAATATCAGTAAAT
GATATTGTTGAGAGATTGTCGACGGTTGTGACTAATGAAGGTACGCAAGTAGAAGATGAG
GCGTTACAAATTGTTGCGCGTGCCGCTGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAGGCGATATCTTATAGTGATGAGAGGGTTACGACAGAAGATGTATTAGCTGTAACG
GGTCGTGATATGTTCCGTATGTTAAGTGAA
B
GTATACATTATTGATGAAGTCCACATGCTTTCTATGGGTGCCTTCAATGCGCTTTTAAAA
ACGTTAGAAGAGCCGCCAGGACATGTTATCTTTATTTTGGCGACAACAGAACCGCATAAG
ATACCGCCTACAATCATTTCGCGTTGCCAACGTTTCGAATTTCGAAAAATATCAGTAAAT
GATATTGTTGAGAGATTGTCCACGGTTGTGACTAATGAAGGTACGCAAGTAGAAGATGAG
GCTTTACAAATTGTTGCGCGTGCCGCTGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAAGCGATATCTTATAGTGATGAGAGGGTTACGACAGAAGATGTATTAGCTGTAACG
GGTCGTGATATGTTCCGTATGTTAAGTGAA
C
GTATACATTATTGATGAAGTTCACATGCTTTCTATGGGTGCATTCAATGCGCTTTTAAAA
ACCTTAGAAGAGCCGCCAGGACATGTTATCTTTATTTTGGCGACAACAGAACCTCATAAG
ATCCCACCTACAATCATTTCACGTTGTCAGCGCTTTGAATTCCGAAAAATATCAGTGAAT
GATATTGTTGAGAGATTATCAACGGTCGTGACAAATGAAGGTACGCAAGTGGAAGGTGAA
GCATTACAAATTGTTGCGCGTGCTGCCGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAGGCTATATCTTATAGTGATGAGATTGTTACGACAGAAGATGTATTGGCCGTAACA
GGACGTGATATGTTCCGTAAGTTGAGTGAA
D
GTATACATTATTGATGAAGTTCACATGCTTTCTATGGGTGCCTTCAATGCGCTTTTAAAA
ACGTTAGAAGAACCGCCAGGACATGTCATCTTTATTTTGGCGACAACAGAACCGCATAAG
ATACCGCCTACAATTATTTCGCGTTGCCAACGTTTCGAATTTCGAAAGATATCAGTAAAT
GATATTGTTGAGAGATTATCGACAGTTGTAAACAATGAAGGTACGCAAGTAGAAGATGAA
GCGTTACAAATCGTTGCACGTGCCGCTGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAGGCAATATCTTATAGTGATGAGACTGTTACGACAGAAGATGTATTAGCTGTAACA
GGGCGTGATATGTTCCGAATGTTAAGTGAA

I need to edit the above files by adding two separate things into each of the file.
1. add 1 (number one) on the first line of each file ( 58 390 1).
2. add > inthe beginning of each of the headers ( >A >B >C >D.
Basically edit the above file and get the output as below:

Code:
  58    390 1
>A
GTATACATTATTGATGAAGTCCACATGCTTTCTATGGGTGCCTTCAATGCGCTTTTAAAA
ACGTTAGAAGAGCCGCCAGGACATGTTATCTTTATTTTGGCGACAACAGAACCGCATAAG
ATACCGCCTACAATCATTTCGCGTTGCCAACGTTTCGAATTTCGAAAAATATCAGTAAAT
GATATTGTTGAGAGATTGTCGACGGTTGTGACTAATGAAGGTACGCAAGTAGAAGATGAG
GCGTTACAAATTGTTGCGCGTGCCGCTGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAGGCGATATCTTATAGTGATGAGAGGGTTACGACAGAAGATGTATTAGCTGTAACG
GGTCGTGATATGTTCCGTATGTTAAGTGAA
>B
GTATACATTATTGATGAAGTCCACATGCTTTCTATGGGTGCCTTCAATGCGCTTTTAAAA
ACGTTAGAAGAGCCGCCAGGACATGTTATCTTTATTTTGGCGACAACAGAACCGCATAAG
ATACCGCCTACAATCATTTCGCGTTGCCAACGTTTCGAATTTCGAAAAATATCAGTAAAT
GATATTGTTGAGAGATTGTCCACGGTTGTGACTAATGAAGGTACGCAAGTAGAAGATGAG
GCTTTACAAATTGTTGCGCGTGCCGCTGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAAGCGATATCTTATAGTGATGAGAGGGTTACGACAGAAGATGTATTAGCTGTAACG
GGTCGTGATATGTTCCGTATGTTAAGTGAA
>C
GTATACATTATTGATGAAGTTCACATGCTTTCTATGGGTGCATTCAATGCGCTTTTAAAA
ACCTTAGAAGAGCCGCCAGGACATGTTATCTTTATTTTGGCGACAACAGAACCTCATAAG
ATCCCACCTACAATCATTTCACGTTGTCAGCGCTTTGAATTCCGAAAAATATCAGTGAAT
GATATTGTTGAGAGATTATCAACGGTCGTGACAAATGAAGGTACGCAAGTGGAAGGTGAA
GCATTACAAATTGTTGCGCGTGCTGCCGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAGGCTATATCTTATAGTGATGAGATTGTTACGACAGAAGATGTATTGGCCGTAACA
GGACGTGATATGTTCCGTAAGTTGAGTGAA
>D
GTATACATTATTGATGAAGTTCACATGCTTTCTATGGGTGCCTTCAATGCGCTTTTAAAA
ACGTTAGAAGAACCGCCAGGACATGTCATCTTTATTTTGGCGACAACAGAACCGCATAAG
ATACCGCCTACAATTATTTCGCGTTGCCAACGTTTCGAATTTCGAAAGATATCAGTAAAT
GATATTGTTGAGAGATTATCGACAGTTGTAAACAATGAAGGTACGCAAGTAGAAGATGAA
GCGTTACAAATCGTTGCACGTGCCGCTGAAGGTGGTATGCGTGATGCGCTTAGTCTTATT
GATCAGGCAATATCTTATAGTGATGAGACTGTTACGACAGAAGATGTATTAGCTGTAACA
GGGCGTGATATGTTCCGAATGTTAAGTGAA

Please let me know the best way to do this either using awk or sed.
LA
 

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